exclude :test_generator, "needs investigation"
exclude :test_initialize, "needs investigation"
exclude :test_initialize_copy, "needs investigation"
exclude :test_inspect, "needs investigation"
exclude :test_inspect_encoding, "needs investigation"
exclude :test_loop, "needs investigation"
exclude :test_next, "needs investigation"
exclude :test_peek_for_enumerator_objects, "needs investigation"
exclude :test_peek_modify, "needs investigation"
exclude :test_peek_values_modify, "needs investigation"
exclude :test_rewind_clear_feed, "needs investigation"
exclude :test_size, "needs investigation"
exclude :test_size_for_array_combinatorics, "needs investigation"
exclude :test_size_for_cycle, "needs investigation"
exclude :test_size_for_downup_to, "needs investigation"
exclude :test_size_for_each_cons, "needs investigation"
exclude :test_size_for_each_slice, "needs investigation"
exclude :test_size_for_enum_created_by_enumerators, "needs investigation"
exclude :test_size_for_enum_created_from_array, "needs investigation"
exclude :test_size_for_enum_created_from_enumerable, "needs investigation"
exclude :test_size_for_enum_created_from_env, "needs investigation"
exclude :test_size_for_enum_created_from_hash, "needs investigation"
exclude :test_size_for_enum_created_from_struct, "needs investigation"
exclude :test_size_for_loops, "needs investigation"
exclude :test_size_for_step, "needs investigation"
exclude :test_size_for_string, "needs investigation"
exclude :test_with_index_dangling_memo, "needs investigation"
exclude :test_with_index_large_offset, "needs investigation"
